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3 3  
4 4  {{toc/}}
5 5  
6 -= 1. Introduction =
7 7  
7 +
8 +
9 +
10 +
11 += **1. Introduction** =
12 +
8 8  This article provide the examples for RS485-LN to connect to different type of RS485 sensors.
9 9  
10 10  
11 -== 1.1 Example 1: Connect to Leak relay and VFD ==
16 +== **1.1 Example 1: Connect to Leak relay and VFD** ==
12 12  
13 13  This instruction is provided by Xavier Florensa Berenguer from [[NORIA GRUPO DE COMPRAS>>url:http://www.gruponovelec.com/]]. It is to show how to use RS485-LN to connect to Relay and VFD and communicate with Mobile. The structure is like below:
14 14  
... ... @@ -30,8 +30,9 @@
30 30  * [[Video Demo>>url:https://www.youtube.com/watch?v=TAFZ5eaf-MY&t=6s&ab_channel=XavierFlorensaBerenguer]]
31 31  
32 32  
33 -== 1.2 Example 2: Connect to Pulse Counter ==
34 34  
39 +== **1.2 Example 2: Connect to Pulse Counter** ==
40 +
35 35  This instruction is provided by Xavier Florensa Berenguer from [[NORIA GRUPO DE COMPRAS>>url:http://www.gruponovelec.com/]]. It is to show how to use RS485-LN to connect to Pulse Counter and communicate with Mobile. This example and example 2 compose the structure for a farm IoT solution. The structure is like below:
36 36  
37 37  [[image:image-20220527092058-3.png]]
... ... @@ -39,18 +39,20 @@
39 39  Connection
40 40  
41 41  
48 +
42 42  [[image:image-20220527092146-4.png]]
43 43  
44 44  Connection
45 45  
53 +
46 46  * [[Pickdata MIO40 water pulse counter to LoRa with Dragino RS485-LN>>url:http://www.dragino.com/downloads/index.php?dir=RS485-LN/Application_Note/Pulse-Counter/]] : Configure Document
47 47  * [[Dragino Solution in Farm>>url:http://www.dragino.com/downloads/index.php?dir=RS485-LN/Application_Note/&file=Dragino%20on%20Farms.pptx]]
48 48  
49 49  == ==
50 50  
51 -== 1.3 Example3: Use RS485-LN with energy meters ==
59 +== **1.3 Example3: Use RS485-LN with energy meters** ==
52 52  
53 -=== 1.3.1 OverView ===
61 +=== **1.3.1 OverView** ===
54 54  
55 55  (((
56 56  **Note**：The specifications of each energy meter are different, please refer to your own energy meter specifications.
... ... @@ -65,6 +65,7 @@
65 65  Connection1
66 66  
67 67  
76 +
68 68  (((
69 69  How to connect with Energy Meter：
70 70  )))
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94 94  Connection2
95 95  
96 96  
106 +
97 97  [[image:image-20220527092555-7.png]]
98 98  
99 99  Connection3
100 100  
101 101  
102 -=== 1.3.2 How to use the parameters of the energy meter and MODBUS commands ===
112 +=== **1.3.2 How to use the parameters of the energy meter and MODBUS commands** ===
103 103  
104 104  If the user needs to read the parameters of the electric energy meter and use the modbus command,please refer to the appendix of the MODBUS communication protocol in the user manual of the energy meter.
105 105  
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138 138  
139 139  )))
140 140  
141 -=== 1.3.3 How to configure RS485-LN and parse output commands ===
151 +=== **1.3.3 How to configure RS485-LN and parse output commands** ===
142 142  
143 143  RS485-LN provides two configuration methods: AT COMMAND and DOWNLINK.
144 144  
145 145  
146 -==== 1.3.3.1 via AT COMMAND: ====
156 +==== **1.3.3.1 via AT COMMAND:** ====
147 147  
148 148  First, we can use **AT+CFGDEV** to get the return value, and we can also judge whether the input parameters are correct.
149 149  
... ... @@ -161,11 +161,11 @@
161 161   AT+DATACUTx : This command defines how to handle the return from AT+COMMANDx, max reture length is 40 bytes. AT+DATACUTx=a,b,c
162 162  )))
163 163  
164 -a: length for the return of AT+COMMAND
174 +a:  length for the return of AT+COMMAND
165 165  
166 -b:1: grab valid value by byte, max 6 bytes. 2: grab valid value by bytes section, max 3 sections.
176 +b: 1: grab valid value by byte, max 6 bytes;  2: grab valid value by bytes section, max 3 sections.
167 167  
168 -c: define the position for valid value.
178 +c:  define the position for valid value.
169 169  
170 170  [[image:image-20220527092936-10.png]]
171 171  
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172 172  AT COMMAND
173 173  
174 174  
185 +
175 175  PAYLOAD is available after the valid value is intercepted.
176 176  
177 177  
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180 180  AT COMMAND
181 181  
182 182  
194 +
183 183  You can get configured PAYLOAD on TTN.
184 184  
185 185  [[image:image-20220527093133-12.png]]
... ... @@ -245,12 +245,14 @@
245 245  
246 246  (% style="color:#4f81bd" %)**01 is device address,00 02 is the current, 08 DC is the voltage,00 00 00 44 is the total active energy.**
247 247  
260 +
261 +
248 248  [[image:image-20220527093251-14.png]]
249 249  
250 250  AT COMMAND
251 251  
252 252  
253 -==== 1.3.3.2 via LoRaWAN DOWNLINK ====
267 +==== **1.3.3.2 via LoRaWAN DOWNLINK** ====
254 254  
255 255  [[image:image-20220527093358-15.png]]
256 256  
... ... @@ -310,6 +310,8 @@
310 310  )))
311 311  
312 312  (((
327 +
328 +
313 313  (% style="color:#4f81bd" %)**Example:**
314 314  )))
315 315  
... ... @@ -322,27 +322,31 @@
322 322  DOWNLINK
323 323  
324 324  
341 +
325 325  [[image:image-20220527093508-17.png]]
326 326  
327 327  DOWNLINK
328 328  
329 329  
347 +
330 330  [[image:image-20220527093530-18.png]]
331 331  
332 332  DOWNLINK
333 333  
334 334  
353 +
335 335  [[image:image-20220527093607-19.png]]
336 336  
337 337  DOWNLINK
338 338  
339 339  
359 +
340 340  [[image:image-20220527093628-20.png]]
341 341  
342 342  DOWNLINK
343 343  
344 344  
345 -=== 1.3.4 How to configure and output commands for RS485 to USB ===
365 +=== **1.3.4 How to configure and output commands for RS485 to USB** ===
346 346  
347 347  (((
348 348  This step is not necessary, it is just to show how to use a normal RS485 to USB adapter to connect to the meter to check the input and output. This can be used to test the connection and RS485 command of the meter without RS485-LN.
... ... @@ -369,11 +369,13 @@
369 369  USB
370 370  
371 371  
392 +
372 372  [[image:image-20220527093747-22.png]]
373 373  
374 374  USB
375 375  
376 376  
398 +
377 377  (((
378 378  The configuration command is consistent with the AT command, input the hexadecimal command directly into the serial port, and the serial port will output the command.
379 379  )))
... ... @@ -391,7 +391,7 @@
391 391  USB
392 392  
393 393  
394 -=== 1.3.5 How to configure multiple devices and modify device addresses ===
416 +=== **1.3.5 How to configure multiple devices and modify device addresses** ===
395 395  
396 396  If users need to read the parameters of multiple energy meters, they need to modify the device address, because the default device address of each energy meter is 01.
397 397  
... ... @@ -485,7 +485,6 @@
485 485  
486 486  * [[Connect to SEM Three>>url:http://www.dragino.com/downloads/index.php?dir=RS485-LN/Application_Note/SEM_Three_Energy_Meter/&file=SEM%20three%20and%20Dragino%20RS485-LN%20v1.pdf]] : Configure Document for RS485-LN
487 487  
488 -
489 489  == 1.6 Example 6:CEM C31 485-T1-MID Energy Meter with RS485-LN ==
490 490  
491 491  This instruction is provided by Xavier Florensa Berenguer from [[NORIA GRUPO DE COMPRAS>>url:http://www.gruponovelec.com/]]. It is to show how to use RS485-LN to connect to CEM C31 485-T1-MID and send the data for remote minitor. The structure is like below:
... ... @@ -492,7 +492,6 @@
492 492  
493 493  * [[CEM C31 485-T1-MID>>url:http://www.dragino.com/downloads/index.php?dir=RS485-LN/Application_Note/ELECTRICAL%20CABINET/&file=ELECTRICAL%20CABINET%20READINGS.pdf]] : Configure Document For RS485-LN
494 494  
495 -
496 496  == 1.7 Example 7:Schneider Electric PLC M221 with RS485-BL ==
497 497  
498 498  [[image:image-20220527094556-31.png]]
image-20220601142044-1.png
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